THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 http://www.aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0324+58 AF CAM 0804+28 YZ CNC No. 1123 0401+50 FO PER 0939+52 ER UMA March 10, 2003 0518+00 BI ORI 2138+43 SS CYG 0803+62 SU UMA ---------------------------------------------------------------------------- 0324+58 AF CAMELOPARDALIS The dwarf nova type cataclysmic variable AF CAM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 04.0000 <14.6 CGF MAR 07.8610 13.6 PYG MAR 04.7917 <14.1 KWO MAR 09.9500 13.8 PYG MAR 05.0000 <14.1 CGF MAR 10.0868 14.0 CGF ---------------------------------------------------------------------------- 0401+50 FO PERSEI The dwarf nova type cataclysmic variable FO PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 03.1208 16.29 CCDV GKA MAR 08.8076 13.8 OJR MAR 04.0000 <14.2 CGF MAR 09.8403 13.8 OJR MAR 05.9167 <13.4 OJR MAR 10.0875 13.0 CGF MAR 07.0875 13.92 CCDV GKA MAR 10.0882 13.6 SXN ---------------------------------------------------------------------------- 0518+00 BI ORIONIS The dwarf nova type cataclysmic variable BI ORI may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 10.0375 <14.7 TDB MAR 10.0993 14.6: SXN ---------------------------------------------------------------------------- 0803+62 SU URSAE MAJORIS The dwarf nova type (SU UMA subclass prototype) cataclysmic variable SU UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 06.8120 14.4 PYG MAR 09.8542 13.0 OJR MAR 07.1000 <13.9 CGF MAR 09.9930 13.0 PYG MAR 08.8597 12.4 OJR MAR 10.1285 12.5 CGF MAR 08.9243 12.0 GUN ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 08.8569 <14.2 OJR MAR 09.9720 12.1 PYG MAR 09.8479 12.0 OJR MAR 10.1083 12.1 CGF MAR 09.9139 11.3 CPS MAR 10.1170 12.15 CCDV ZRE MAR 09.9280 12.3 VET MAR 10.3354 11.7 LMK MAR 09.9645 11.6 OCR MAR 10.4650 11.9 SRX ---------------------------------------------------------------------------- 0939+52 ER URSAE MAJORIS The dwarf nova type (SU UMA subclass) cataclysmic variable ER UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 06.3667 <14.5 LMK MAR 08.9424 12.9 OJR MAR 06.8160 13.3 PYG MAR 09.4958 12.7 MTH MAR 06.9951 13.2 POX MAR 09.9563 12.9 OJR MAR 07.0080 13.2 MGH MAR 10.0110 12.5 PYG MAR 07.0681 13.2 CGF MAR 10.1101 12.96 CCDV WGR MAR 08.3937 12.7 LMK MAR 10.1306 12.9 CGF ---------------------------------------------------------------------------- 2138+43 SS CYGNI The dwarf nova type (SS CYG subclass prototype) cataclysmic variable SS CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 07.1510 12.1 SJZ MAR 09.4451 8.6 TDB MAR 07.4000 12.1 CGF MAR 10.1291 8.7 OCR MAR 08.2100 11.7 SPK MAR 10.1535 8.3 GUN MAR 08.4746 11.0 CCDV WJD MAR 10.1860 8.7 SPK MAR 09.2050 9.3 SPK MAR 10.4299 8.9 CGF ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND CPS - P. CLOESEN, BELGIUM SJZ - J. SPEIL, POLAND GKA - K. GRAHAM, USA SPK - P. SCHMEER, GERMANY GUN - J. GUNTHER, FRANCE SRX - R. STUBBINGS, AUSTRALIA KWO - W. KRIEBEL, GERMANY SXN - M. SIMONSEN, USA LMK - M. LINNOLT, USA TDB - D. TAYLOR, CANADA MGH - H. MCGEE, ENGLAND VET - M. VERDENET, FRANCE MTH - H. MATSUYAMA, JAPAN WGR - G. WALKER, USA OCR - C. OTTEN, BELGIUM WJD - J. WEST, USA OJR - J. OSORIO, SPAIN ZRE - R. ZISSELL, USA POX - M. POXON, ENGLAND Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Janet A. Mattei, Director Rebecca Pellock, Technical Assistant ____________________________________________________________________________ Symbols may include: < = fainter than magnitude given (variable not seen) : = uncertain CCDV = Charge-coupled device with (V) filter If you would like to contribute to AAVSO NEWS FLASH, please send observations of unusual variable star activity to: observations@aavso.org Those who wish to subscribe (free of charge) or unsubscribe to NEWS FLASH may do so by visiting the following web page: http://www.aavso.org If you would like data from the AAVSO International Database for research purposes, please send your request to: Janet Mattei, AAVSO Director, at aavso@aavso.org An archive of past issues of the News Flash is available at the following web page: http://www.aavso.org/newsflash/ We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________